Oral irrigator



FIG. 1 is a perspective view of an oral irrigator according to thepresent invention;

FIG. 2 is an elevational left-side view of the oral irrigator of FIG. 1;

FIG. 3 is an elevational front view of the oral irrigator of FIG. 1;

FIG. 4 is an elevational back view of the oral irrigator of FIG. 1;

FIG. 5 is a top plan view of the oral irrigator of FIG. 1; and,

FIG. 6 is a bottom plan view of the oral irrigator of FIG. 1.

The ornamental design for an oral irrigator, as shown and described.